Nested circular tree structure to get the data in PermissionCollection

problem description

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

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Mar.22,2022

suppose your outermost array is arry, and you can do this

arry.forEach(item => {
    item.PermissionCollection.forEach(e => {
        ePermissionCollection
    })
})
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